Hi, Yes, as you mentioned, I achieved a RAM speed of 5600 Mhz using only two DIMMs in slots 2 and 4 with an updated BIOS. I still wanted to have 64 MB of memory, which is how I configured the system and purchasedCORSAIR VENGEANCE DDR5 RAM 64GB (2x32GB) 5600MHz CL40 Intel XMP iCUE Compatible...